fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [FmF] [75.0% done] [   988/ 79249 kb/s] [eta 00m:01s]
Threads: 3: [FFF] [100.0% done] [     0/  8495 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFV] [66.7% done] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 14833/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [72.7% done] [ 31208/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [81.0% done] [ 30676/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.0% done] [ 28199/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 37112/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 37490/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 34973/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 28955/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 32181/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=2185
  read : io=100MiB, bw=4,378KiB/s, runt= 23948msec
    slat (msec): min=   67, max=21844, avg=17398.52, stdev=3883.79
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=14998, per=66.18%, avg=8693.32, stdev=5391.05
  write: io=97,428KiB, bw=6,968KiB/s, runt= 14317msec
    slat (msec): min=    0, max=   72, avg= 2.02, stdev= 2.76
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=94809, per=155.61%, avg=31605.67, stdev=54735.69
  cpu          : usr=5.19%, sys=1.84%, ctx=872
  IO depths    : 1=12.6%, 2=25.1%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2186
  read : io=100MiB, bw=4,458KiB/s, runt= 23517msec
    slat (msec): min=   13, max=20454, avg=15445.83, stdev=4786.46
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   15, max=24020, per=62.85%, avg=8255.30, stdev=6086.51
  write: io=92,464KiB, bw=6,576KiB/s, runt= 14398msec
    slat (msec): min=    0, max=   16, avg= 1.89, stdev= 2.18
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=109994, per=181.04%, avg=36770.33, stdev=63413.75
  cpu          : usr=5.14%, sys=1.31%, ctx=966
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2187
  read : io=100MiB, bw=4,401KiB/s, runt= 23821msec
    slat (msec): min=   22, max=21592, avg=16777.47, stdev=4138.87
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=18649, per=71.19%, avg=9350.95, stdev=6026.34
  write: io=95,700KiB, bw=6,843KiB/s, runt= 14320msec
    slat (msec): min=    0, max=   28, avg= 2.11, stdev= 2.71
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=102424, per=170.48%, avg=34625.33, stdev=58719.86
  cpu          : usr=5.64%, sys=1.54%, ctx=918
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,135KiB/s, minb=4,378KiB/s, maxb=4,458KiB/s, mint=23517msec, maxt=23948msec
  WRITE: io=279MiB, aggrb=20,311KiB/s, minb=6,576KiB/s, maxb=6,968KiB/s, mint=23517msec, maxt=23948msec

Disk stats (read/write):
  sda: ios=3250/2218, merge=1371/69004, ticks=74364/1755956, in_queue=1831440, util=98.68%
3.86user 1.13system 0:24.23elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2421minor)pagefaults 0swaps